Vernal Equinox 2024 For Kids. On the equinox, the sun is above the horizon for 12 hours, thus the length of daylight and nighttime are equal. Earth’s tilt on its axis is what causes this northward shift of.
An equinox is one of two days in the year when the sun crosses the equator and day and night become equal in length. It features an image of a globe to support comprehension and includes a table of vernal equinox dates.